Product Overview

The Rexroth A10VSO 18 DFR1/31R-PPA12N00 (Material Number: R910945178) is a high-performance axial piston variable displacement pump engineered by Bosch Rexroth for open-circuit industrial hydraulic systems. Featuring a swashplate design, this pump delivers precise variable displacement control through its DFR1 pressure and flow control configuration, allowing it to automatically adjust output to match system demand. With a nominal displacement of 18 cm³/rev and a size 31 series designation, it provides reliable, energy-efficient performance in continuous-duty applications. The pump’s robust construction and advanced control capabilities make it a preferred choice for demanding industrial machinery requiring accurate pressure and flow regulation.

Technical Specifications

Parameter	Specification / Feature
Component Type	Axial Piston Variable Displacement Pump
Model Designation	A10VSO 18 DFR1/31R-PPA12N00
Material Number	R910945178
Nominal Displacement	18 cm³/rev
Control Type	DFR1 – Pressure and Flow Control (Load Sensing)
Series	31
Operating Pressure	Up to 280 bar (continuous), 350 bar (peak)
Mounting & Connection	Standard ISO / SAE flange, splined drive shaft
Direction of Rotation	Clockwise (viewed from drive shaft)
Circuit Type	Open Circuit

Engineering Features & Advantages

Precision Swashplate Control: The axial piston swashplate design enables infinitely variable displacement, delivering exact flow matching to system requirements and reducing energy consumption.
DFR1 Pressure & Flow Control: Integrated load-sensing control maintains constant pressure differential across the metering orifice, ensuring precise flow regulation independent of load variations.
High Power Density: Compact footprint with high pressure capability up to 350 bar peak, ideal for space-constrained industrial installations.
Industrial Reliability: Built for continuous operation under severe industrial conditions with long service life and minimal maintenance requirements.
Direct Fit Replacement: Exact dimensional and functional compatibility with original Rexroth OEM standards, ensuring drop-in replacement without modification.
Direct Fit Replacement: Exact dimensional and functional compatibility with original Rexroth standards, allowing straightforward retrofit into existing hydraulic systems without rework.

Typical Industrial Applications

The pump’s robust construction and advanced control capabilities make it a preferred choice for demanding industrial machinery requiring accurate pressure and flow regulation.

PRODUCT IMAGES

Rexroth A10VSO 18 DFR1/31R-PPA12N00 / R910945178 Axial Piston Variable Displacement Pump

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Authentic & Fully Tested: 100% bench tested for hydraulic response, pressure rating, and null-bias stability before dispatch.
Fast Dispatch: In-stock units ready for same-day dispatch via DHL / FedEx Express directly to your plant.
Pre-Shipment Verification: High-definition photos, video testing runs, and serial number verification provided prior to shipment.
Peace of Mind: Covered by our 12-Month Replacement Warranty.

Shop the genuine REXROTH A10VSO 18 DFR1/31R-PPA12N00 / R910945178 Axial Piston Variable Displacement Pump. This Germany-made hydraulic pump features a pressure-controlled swashplate design, delivering reliable, leak-free fluid power for heavy-duty industrial systems.